ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,102, issued on Sept. 30, was assigned to DSM IP ASSETS B.V. (Heerlen, Netherlands).

"Sulfate-free cosmetic rinse-off composition comprising a hyperbranched copolymer" was invented by Karina Hecker (Kaiseraugst, Switzerland) and Melanie Waeckel (Kaiseraugst, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to sulfate-free cosmetic rinse-off compositions which comprises a hyperbranched copolymer of the monomers dodecenyl succinic acid anhydride, diisopropanol amine and bis-dimethylamino-propyl amine having quaternary terminal groups."

The patent was filed on Aug. 12, 2019, under Application No. 17/267,921.

*F...